罗伊兹海角群栖地的阿德利企鹅。
在陆地上的时候，他们在成为群栖地的大面积区域中筑巢。
While on land they make their nests in enormous colonies called rookeries.
目前，海军在红海上拥有一个航母战斗群贺一搜两栖登陆舰，载有海军陆战队和一批直升机。
The Navy currently has an aircraft carrier strike group and an amphibious landing vessel, with Marines and helicopters, in the Red Sea.
蚌科是淡水底栖动物的重要类群，由于淡水蚌类存在趋同现象，致使我国蚌科在分类上仍然存在许多争议。
Unionidae is an important group of freshwater benthos. Due to the convergence phenomenon of freshwater mussels, there is still much controversy in the classification of Chinese Unionidae.
概括了底栖动物的概念，列举了淡水底栖动物的主要类群；综述了近年来我国利用底栖动物评价和监测水质的主要工作。
The concept and main groups of zoobenthos was summarized, and studies of assessment and monitoring of water quality by using benthic animal in China were reviewed.
概括了底栖动物的概念，列举了淡水底栖动物的主要类群；综述了近年来我国利用底栖动物评价和监测水质的主要工作。
The concept and main groups of zoobenthos was summarized, and studies of assessment and monitoring of water quality by using benthic animal in China were reviewed.
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